Anaheim won its second in a row, after beating defending Stanley Cup champion Chicago 3-2 in a shootout Friday. St. Louis lost for the third time in four games and fell to 12-2-2 at home.
Getzlaf, who also added an assist, has a point in his last 13 games. He has 10 goals and 10 assists during that span. Getzlaf missed three games in November with an injury and has a point in his team's past 11 games, the longest current run in the NHL.
Andersen, who won his first six starts, improved to 8-1 with his second successive victory. He leads all rookie goalies in wins.
Anaheim scored three times in the opening 7:29 to chase Blues goalie Jaroslav Halak, who faced eight shots.
Bonino converted at 17:16 of the second period to push the lead to 4-0.
Andersen stopped the first 20 shots he faced and helped kill off 4-minute power plays in each of the first two periods.
NOTES: Anaheim RW Teemu Selanne was a healthy scratch after playing Friday in Chicago. The 43-year-old has played on back-to-back nights only once this season. ... St. Louis C Derek Roy is one assist shy of 300 for his career. ... The Blues are an NHL-best 57-16-8 at home since the beginning of the 2011-2012 season. ... Anaheim G Jonas Hiller was given the night off after facing 76 shots and 12 shootout attempts in the previous two games. ... St. Louis has scored at least two goals in all 16 home games this season.